/* Turn the screen on, as it may have been turned off
* on release of the 'enter' key. */
turn_monitors_on();
+
+ /* PAM credentials should be refreshed, this will for example update any kerberos tickets.
+ * Related to credentials pam_end() needs to be called to cleanup any temporary
+ * credentials like kerberos /tmp/krb5cc_pam_* files which may of been left behind if the
+ * refresh of the credentials failed. */
+ pam_setcred(pam_handle, PAM_REFRESH_CRED);
+ pam_end(pam_handle, PAM_SUCCESS);
+
exit(0);
}